QUERY PLAN
GroupAggregate (cost=651.03..651.37 rows=15 width=44)
Group Key: c.project_id
-> Sort (cost=651.03..651.07 rows=15 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=606.04..650.74 rows=15 width=20)
Hash Cond: (tbl_pre_sales.case_id = c.id)
-> HashAggregate (cost=104.58..128.85 rows=1618 width=20)
Group Key: tbl_pre_sales.case_id
-> Seq Scan on tbl_pre_sales (cost=0.00..88.30 rows=1628 width=24)
Filter: (NOT is_draft)
-> Hash (cost=501.27..501.27 rows=15 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..501.27 rows=15 width=8)
Filter: ((case_type = 1) AND (project_id = ANY ('{4174,4130,4124,4121,4103,4119,4094,4111,4101,4100,4102,4093,4085,4090,4087,4086,4070,4067,4007,4076}'::integer[])))